1340303530031 has 4 divisors (see below), whose sum is σ = 1341512100600. Its totient is φ = 1339094959464.

The previous prime is 1340303530003. The next prime is 1340303530043. The reversal of 1340303530031 is 1300353030431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1340303530031 - 2¹⁰ = 1340303529007 is a prime.

It is a super-2 number, since 2×1340303530031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340303530831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604283621 + ... + 604285838.

It is an arithmetic number, because the mean of its divisors is an integer number (335378025150).

Almost surely, 2^{1340303530031} is an apocalyptic number.

1340303530031 is a deficient number, since it is larger than the sum of its proper divisors (1208570569).

1340303530031 is a wasteful number, since it uses less digits than its factorization.

1340303530031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208570568.

The product of its (nonzero) digits is 4860, while the sum is 26.

Adding to 1340303530031 its reverse (1300353030431), we get a palindrome (2640656560462).

The spelling of 1340303530031 in words is "one trillion, three hundred forty billion, three hundred three million, five hundred thirty thousand, thirty-one".